240142430 has 32 divisors (see below), whose sum is σ = 486770688. Its totient is φ = 84506400.

The previous prime is 240142429. The next prime is 240142433. The reversal of 240142430 is 34241042.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (240142433) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31802 + ... + 38621.

It is an arithmetic number, because the mean of its divisors is an integer number (15211584).

Almost surely, 2^240142430 is an apocalyptic number.

240142430 is an abundant number, since it is smaller than the sum of its proper divisors (246628258).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

240142430 is a wasteful number, since it uses less digits than its factorization.

240142430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70472.

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 240142430 is about 15496.5296114969. The cubic root of 240142430 is about 621.5694110816.

Adding to 240142430 its reverse (34241042), we get a palindrome (274383472).

The spelling of 240142430 in words is "two hundred forty million, one hundred forty-two thousand, four hundred thirty".